Among his victims was Alfonso Zamora, who had his own 29-fight knockout streak ended by Zarate via Round 4 TKO. In all, Zarate ran his record to 52-0 with 51 knockouts before losing for the first ...

but he’s still a knockout puncher. While he’s lost four fights over the past five years, the challenger’s six most recent victories have come by stoppage, four of them inside six rounds.